html {
    background: url(../Images/back.jpg) no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
body {
    padding-top: 20px;
    font-size: 16px;
    font-family: "Open Sans",serif;
    background: transparent;
}
h2 {
    font-family: "Abel", Arial, sans-serif;
    font-weight: 400;
    font-size: 40px;
}
.panel {
    background-color: #FFFFFF;
}
.margin-base-vertical {
    margin: 40px 0;
}